Finding the Fourth Proportional to 1,057,089.69, 1,458,784.71 and 573,654.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,089.69 : 1,458,784.71 = 573,654.83 : x
2. Step 2: Convert to fraction form
   1,057,089.69/1,458,784.71 = 573,654.83/x
3. Step 3: Cross multiply
   1,057,089.69x = 1,458,784.71 × 573,654.83
4. Step 4: Simplify right side
   1,057,089.69x = 836,838,894,821.65
5. Step 5: Solve for x
   x = 836,838,894,821.65/1,057,089.69
6. Step 6: Final answer
   x = 791,644.17